The Muffler,exhaust, cataloged under National Stock Number 2990-01-448-7666, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Link-Belt Cranes, L.p., Lllp. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-448-7666 |
| Primary Part Number | 59A2074 |
| Item Name | Muffler,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Link-Belt Cranes, L.p., Lllp |
| Status | ACTIVE |
| Operating Position | HORIZONTAL |
| Coolant Type | AIR |
| Design Type | DRY |
| Muffler Design | BAFFLE |
| Inlet Connection Type | UNTHREADED SINGLE INLET |
| Body Shape | ROUND |
| Surface Treatment | CHROMATE ZINC |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 59A2074 PRIMARY | Link-Belt Cranes, L.p., Lllp (USA) |
| Reference | Meaning |
|---|---|
| PL1-75-217.0 REF 8 | 5/9 Secondary reference Link-Belt Cranes, L.p., Lllp |
NSN 2990-01-448-7666 is a Muffler,exhaust, manufactured by Link-Belt Cranes, L.p., Lllp, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-448-7666 has 1 manufacturer part number on file: 59A2074 (Link-Belt Cranes, L.p., Lllp).
Key specifications for 59A2074: Operating Position: HORIZONTAL; Coolant Type: AIR; Design Type: DRY; Muffler Design: BAFFLE. 8 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.